12973131740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1\times {\mathrm{9923}}^1$

素因数の和:10562

約数の個数: 48

約数和(自身を含む): 27509328000

約数和(自身を除く): 14536196260

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 499, 524, 655, 998, 1310, 1996, 2495, 2620, 4990, 9923, 9980, 19846, 39692, 49615, 65369, 99230, 130738, 198460, 261476, 326845, 653690, 1299913, 1307380, 2599826, 4951577, 5199652, 6499565, 9903154, 12999130, 19806308, 24757885, 25998260, 49515770, 99031540, 648656587, 1297313174, 2594626348, 3243282935, 6486565870, 12973131740]

約数ペア:

[(1, 12973131740), (2, 6486565870), (4, 3243282935), (5, 2594626348), (10, 1297313174), (20, 648656587), (131, 99031540), (262, 49515770), (499, 25998260), (524, 24757885), (655, 19806308), (998, 12999130), (1310, 9903154), (1996, 6499565), (2495, 5199652), (2620, 4951577), (4990, 2599826), (9923, 1307380), (9980, 1299913), (19846, 653690), (39692, 326845), (49615, 261476), (65369, 198460), (99230, 130738)]